﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace ConsoleApplication3
{
    class Program
    {
        static void Main(string[] args)
        {
            char x;
            Console.WriteLine("hay nhap ki tu ban muon kiem tra");
            x = Convert.ToChar(Console.ReadLine());
            if (( x == 'a' ) || ( x  == 'e' ) || ( x =='i' ) || ( x =='o' ) || ( x =='u' ) )
                  Console.WriteLine( x + " la nguyen am ");
            else
                    Console.WriteLine( x + "  la phu am ");
            Console.ReadLine();
        }
           
    }
}
